19/09/2023 13:10:53

Firmware Reinstall - Touchscreen

Correction code 00020018 0.05 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure proper PPE is worn when performing the below procedure.

  • 2023-09-18: Updated to one procedure that can be performed regardless of contactor state.
  • 2023-03-27: Revised software reinstall instructions. The most notable (but not the only) updates are as follows: Contactors closed - check for "VCFRONT_a402_LVBatteryCannotSupportVehicle" alert before initiating FW reinstallation. Contactors open - Check LV battery SoC and HV Battery BMS state before initiating the 2nd FW reinstallation.
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Note
This procedure describes how to reinstall the currently installed vehicle software using the center display. The package will not be downloaded from Tesla servers.

Software Reinstall

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CAUTION
Vehicle software version 2023.12 or newer is required in order to perform this procedure.
  1. Connect the LV maintainer to the vehicle, but do not disconnect the LV battery. See LV Maintainer (Connect and Disconnect).
    Informational PurposesAn informational icon, calling your attention
    Note
    It is OK for the LV maintainer and LV battery to both be connected while performing this procedure.
  2. Enable Service Mode. See Service Mode (Enable and Disable).
  3. In the Service Mode menu, touch Software Reinstall.
  4. Read the prompt, and then touch REINSTALL.
  5. Once the reinstallation is complete, check that the release notes appear on the touchscreen, indicating a successful reinstallation.
  6. Disconnect the LV maintainer from the vehicle. See LV Maintainer (Connect and Disconnect).
  7. Disable Service Mode. See Service Mode (Enable and Disable).
  8. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).